[cfe-dev] Need help with source-to-source translation

[Marcel Schaible via cfe-dev]

Looks promising. Thanks Marcel


Am 01.08.2017 um 16:51 schrieb Firat Kasmis:
> If you need a starting template for AST matchers, 
> https://github.com/firolino/clang-tool might be useful for you.
>
> 2017-08-01 15:44 GMT+02:00 Marcel Schaible via cfe-dev 
> <cfe-dev at lists.llvm.org <mailto:cfe-dev at lists.llvm.org>>:
>
>     At the moment I am using the ASTConsumer/ASTVisitor interface. But
>     I am planing to switch to AST matchers asap.
>     After scratching my head for a while I found the solution for my
>     problem. It was just a misunderstanding of the inheritance tree.
>
>     Thanks for your help
>
>     Marcel
>
>     Am 01.08.2017 um 13:48 schrieb Manuel Klimek:
>>     On Tue, Aug 1, 2017 at 12:35 PM Marcel Schaible
>>     <marcel at schaible-consulting.de
>>     <mailto:marcel at schaible-consulting.de>> wrote:
>>
>>         Manuel, thanks for your help. Of course I went already
>>         through a bunch of documentation including libtooling.
>>         My tool is performing now the basic setup and can transform
>>         some simple cases.
>>
>>         Do you know by chance how to retrieve the ASTContext from a
>>         ReturnStmt and a FuncDecl?
>>
>>
>>     Generally, if you use AST matchers you'll have the ASTContext in
>>     the callback. What exactly is the problem you're running into?
>>
>>
>>         BTW: Your presentation at the EURO LLVM was very helpful!
>>
>>
>>     Thanks! :)
>>
>>
>>         Greetings from Munich
>>
>>
>>         Marcel
>>
>>
>>
>>
>>         Am 01.08.2017 um 12:16 schrieb Manuel Klimek:
>>>         You'll probably want to take a look at libtooling:
>>>         https://clang.llvm.org/docs/LibTooling.html
>>>         <https://clang.llvm.org/docs/LibTooling.html>
>>>
>>>         On Fri, Jul 28, 2017 at 4:54 PM Marcel Schaible via cfe-dev
>>>         <cfe-dev at lists.llvm.org <mailto:cfe-dev at lists.llvm.org>> wrote:
>>>
>>>             Hi everyone,
>>>
>>>             let's consider the example:
>>>
>>>             int foo(int p) {
>>>
>>>                 if ( p)
>>>
>>>                    /* code path#1 */
>>>
>>>                     return 0;
>>>
>>>                  else    {
>>>
>>>                     /* code path#2 */
>>>
>>>                     return 1;
>>>
>>>                 }
>>>
>>>             }
>>>
>>>             1. What is the best solution to get the string
>>>             representation of the expression of a return statement?
>>>
>>>             2. Because I want to perform some transformation with
>>>             return statements I have to figure out if they are
>>>             enclosed in a block?
>>>
>>>             The example above should be transformed in something like
>>>
>>>             int foo(int p) {
>>>
>>>                 if ( p) { /* <---- */
>>>
>>>                    /* do some processing ... */
>>>
>>>                     return 0;
>>>
>>>                  } /* <--- */
>>>
>>>                  else    {
>>>
>>>                    /* do some processing ... */
>>>
>>>                     return 1;
>>>
>>>                 }
>>>
>>>             }
>>>
>>>             Any hints or pointers are welcome.
>>>
>>>             Thanks
>>>
>>>             Marcel
>>>
>>>             _______________________________________________
>>>             cfe-dev mailing list
>>>             cfe-dev at lists.llvm.org <mailto:cfe-dev at lists.llvm.org>
>>>             http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-dev
>>>             <http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-dev>
>>>
>>
>
>
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